LITTLE more than 100 years have elapsed since the first experiments on electric furnaces were performed, when Davy, in 1810, succeeded in isolating aluminium and the alkali metals by the ...

As the co-owner of a California property that has never been tied to the electric grid, I can attest to the warm feeling of ...

If you use PV panels, an electric heater typically converts the electrical power into heat ... need batteries or thermal mass ...